I should fasten you should fasten he should fasten we should fasten you should fasten they should fasten
Forma com V-ing
I should be fastening you should be fastening he should be fastening we should be fastening you should be fastening they should be fastening
Perfeito
I should have fastened you should have fastened he should have fastened we should have fastened you should have fastened they should have fastened
Perfeito com V-ing
I should have been fastening you should have been fastening he should have been fastening we should have been fastening you should have been fastening they should have been fastening
Negação
Forma simple
I should not fasten you should not fasten he should not fasten we should not fasten you should not fasten they should not fasten
Forma com V-ing
I should not be fastening you should not be fastening he should not be fastening we should not be fastening you should not be fastening they should not be fastening
Perfeito
I should not have fastened you should not have fastened he should not have fastened we should not have fastened you should not have fastened they should not have fastened
Perfeito com V-ing
I should not have been fastening you should not have been fastening he should not have been fastening we should not have been fastening you should not have been fastening they should not have been fastening
Forma interrogativa
Forma simple
should I fasten? should you fasten? should he fasten? should we fasten? should you fasten? should they fasten?
Forma com V-ing
should I be fastening? should you be fastening? should he be fastening? should we be fastening? should you be fastening? should they be fastening?
Perfeito
should I have fastened? should you have fastened? should he have fastened? should we have fastened? should you have fastened? should they have fastened?
Perfeito com V-ing
should I have been fastening? should you have been fastening? should he have been fastening? should we have been fastening? should you have been fastening? should they have been fastening?
Forma interro-Negação
Forma simple
should I not fasten? should you not fasten? should he not fasten? should we not fasten? should you not fasten? should they not fasten?
Forma com V-ing
should I not be fastening? should you not be fastening? should he not be fastening? should we not be fastening? should you not be fastening? should they not be fastening?
Perfeito
should I not have fastened? should you not have fastened? should he not have fastened? should we not have fastened? should you not have fastened? should they not have fastened?
Perfeito com V-ing
should I not have been fastening? should you not have been fastening? should he not have been fastening? should we not have been fastening? should you not have been fastening? should they not have been fastening?